CN113214789A - Novel sealing material for threaded pipe connection - Google Patents
Novel sealing material for threaded pipe connection Download PDFInfo
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- CN113214789A CN113214789A CN202110600648.2A CN202110600648A CN113214789A CN 113214789 A CN113214789 A CN 113214789A CN 202110600648 A CN202110600648 A CN 202110600648A CN 113214789 A CN113214789 A CN 113214789A
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- parts
- threaded pipe
- sealing material
- pipe connection
- coating
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- 239000003566 sealing material Substances 0.000 title claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 83
- 239000011248 coating agent Substances 0.000 claims abstract description 47
- 238000000576 coating method Methods 0.000 claims abstract description 47
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 28
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 10
- 239000003899 bactericide agent Substances 0.000 claims abstract description 10
- 229920002678 cellulose Polymers 0.000 claims abstract description 10
- 239000001913 cellulose Substances 0.000 claims abstract description 10
- 239000004927 clay Substances 0.000 claims abstract description 10
- 239000003906 humectant Substances 0.000 claims abstract description 10
- 229920001206 natural gum Polymers 0.000 claims abstract description 6
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 4
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 4
- 229920001194 natural rubber Polymers 0.000 claims abstract description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 18
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 16
- 239000002131 composite material Substances 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 10
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 10
- 239000004571 lime Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 8
- 239000005995 Aluminium silicate Substances 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 229920003063 hydroxymethyl cellulose Polymers 0.000 claims description 6
- 229940031574 hydroxymethyl cellulose Drugs 0.000 claims description 6
- 239000004750 melt-blown nonwoven Substances 0.000 claims description 6
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- GVJHHUAWPYXKBD-UHFFFAOYSA-N (±)-α-Tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 claims description 4
- 239000005739 Bordeaux mixture Substances 0.000 claims description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 4
- 108010010803 Gelatin Proteins 0.000 claims description 4
- 229920002907 Guar gum Polymers 0.000 claims description 4
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 4
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 4
- 244000269722 Thea sinensis Species 0.000 claims description 4
- 235000012211 aluminium silicate Nutrition 0.000 claims description 4
- CZBZUDVBLSSABA-UHFFFAOYSA-N butylated hydroxyanisole Chemical compound COC1=CC=C(O)C(C(C)(C)C)=C1.COC1=CC=C(O)C=C1C(C)(C)C CZBZUDVBLSSABA-UHFFFAOYSA-N 0.000 claims description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 4
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 4
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 4
- 235000010418 carrageenan Nutrition 0.000 claims description 4
- 239000000679 carrageenan Substances 0.000 claims description 4
- 229920001525 carrageenan Polymers 0.000 claims description 4
- 229940113118 carrageenan Drugs 0.000 claims description 4
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 4
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 229920000159 gelatin Polymers 0.000 claims description 4
- 239000008273 gelatin Substances 0.000 claims description 4
- 235000019322 gelatine Nutrition 0.000 claims description 4
- 235000011852 gelatine desserts Nutrition 0.000 claims description 4
- 239000000665 guar gum Substances 0.000 claims description 4
- 235000010417 guar gum Nutrition 0.000 claims description 4
- 229960002154 guar gum Drugs 0.000 claims description 4
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 4
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 4
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 4
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 4
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 4
- 229910052900 illite Inorganic materials 0.000 claims description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 4
- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 claims description 4
- 150000008442 polyphenolic compounds Chemical class 0.000 claims description 4
- 235000013824 polyphenols Nutrition 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000000230 xanthan gum Substances 0.000 claims description 4
- 229920001285 xanthan gum Polymers 0.000 claims description 4
- 235000010493 xanthan gum Nutrition 0.000 claims description 4
- 229940082509 xanthan gum Drugs 0.000 claims description 4
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 claims description 4
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 claims description 2
- 239000005750 Copper hydroxide Substances 0.000 claims description 2
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 2
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 claims description 2
- 235000010643 Leucaena leucocephala Nutrition 0.000 claims description 2
- 240000007472 Leucaena leucocephala Species 0.000 claims description 2
- 229930003427 Vitamin E Natural products 0.000 claims description 2
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 claims description 2
- 229910001956 copper hydroxide Inorganic materials 0.000 claims description 2
- WIGCFUFOHFEKBI-UHFFFAOYSA-N gamma-tocopherol Natural products CC(C)CCCC(C)CCCC(C)CCCC1CCC2C(C)C(O)C(C)C(C)C2O1 WIGCFUFOHFEKBI-UHFFFAOYSA-N 0.000 claims description 2
- 229940014259 gelatin Drugs 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000000600 sorbitol Substances 0.000 claims description 2
- 235000019165 vitamin E Nutrition 0.000 claims description 2
- 229940046009 vitamin E Drugs 0.000 claims description 2
- 239000011709 vitamin E Substances 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 239000011247 coating layer Substances 0.000 abstract description 27
- 238000007789 sealing Methods 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008961 swelling Effects 0.000 abstract description 4
- 239000004615 ingredient Substances 0.000 abstract description 3
- 239000002075 main ingredient Substances 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 description 10
- 238000002474 experimental method Methods 0.000 description 7
- MRBKEAMVRSLQPH-UHFFFAOYSA-N 3-tert-butyl-4-hydroxyanisole Chemical compound COC1=CC=C(O)C(C(C)(C)C)=C1 MRBKEAMVRSLQPH-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 244000025254 Cannabis sativa Species 0.000 description 3
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 3
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 3
- 235000009120 camo Nutrition 0.000 description 3
- 235000005607 chanvre indien Nutrition 0.000 description 3
- 239000011487 hemp Substances 0.000 description 3
- OWNRRUFOJXFKCU-UHFFFAOYSA-N Bromadiolone Chemical compound C=1C=C(C=2C=CC(Br)=CC=2)C=CC=1C(O)CC(C=1C(OC2=CC=CC=C2C=1O)=O)C1=CC=CC=C1 OWNRRUFOJXFKCU-UHFFFAOYSA-N 0.000 description 2
- 244000021273 Peumus boldus Species 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 235000010489 acacia gum Nutrition 0.000 description 2
- 239000001785 acacia senegal l. willd gum Substances 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K3/1025—Materials in mouldable or extrudable form for sealing or packing joints or covers characterised by non-chemical features of one or more of its constituents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2003/1034—Materials or components characterised by specific properties
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2003/1034—Materials or components characterised by specific properties
- C09K2003/104—Water-swellable materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2003/1034—Materials or components characterised by specific properties
- C09K2003/1053—Elastomeric materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2003/1084—Laminates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2003/1087—Materials or components characterised by specific uses
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a novel threaded pipe connection sealing material which comprises a coating material and a coated material which are compounded with each other; the coating material comprises the following components in parts by weight: 10-50 parts of clay, 1-10 parts of cellulose, 10-50 parts of humectant, 10-40 parts of non-woven fabric, 5-30 parts of natural rubber, 0.1-1 part of bactericide and 0.1-1 part of performance regulator. The novel threaded pipe connection sealing material has the advantages that natural gum and clay are arranged as coating layer materials of main ingredients, so that the coating layer materials have the characteristic of being capable of swelling when meeting water, secondary sealing can be achieved, the sealing effect is better, cellulose and humectant which serve as ingredients are added into the coating layer materials, the coating layer materials are better in elasticity and stronger in viscosity, and the products are stronger in tearing and corrosion resistance due to the fact that the bactericide and the performance regulator are used.
Description
Technical Field
The invention belongs to the technical field of sealing materials at threaded joints of pipe materials, and particularly relates to a novel sealing material for threaded pipe connection.
Background
The pipes are common fluid transmission tools in buildings, the connection between the pipes generally adopts a threaded connection mode, and is a connection method used in water supply, heating, oil passages, compressed air and other pipelines.
The sealing materials in the market at present comprise: hemp thread, white and thick lacquer, raw material belt, anaerobic adhesive and the like. The hemp thread is the plant rhizome, has the longest application time and is the oldest sealing material. The technical defects are that the operation is complicated and the use technical requirement is high. The auxiliary product which consumes artificial white and thick paint as a sealing material is extremely high in material cost, time and labor are consumed, a sealing effect cannot be achieved when the auxiliary product is used alone, certain toxic and harmful substances exist, a raw material belt which is not easy to clean is a common sealing material in the current market, the pressure bearing performance of the raw material belt is general, the time consumed for winding one screw thread is extremely long, and the number of the 15-20 turns is 15-20. The anaerobic adhesive is a novel sealing material in the market in the year, has good sealing performance, can be pressed after waiting for more than 24 hours after being used, is convenient to install, is very difficult to disassemble and modify, and is easy to assemble and disassemble. Meanwhile, the threaded connection pipe cannot be stained with oil, the pipe needs to be wiped clean before use, otherwise, the glue does not react with the oil, and the sealing effect cannot be achieved. And the anaerobic adhesive only reacts on the metal piece and does not react with the plastic pipe fitting.
Disclosure of Invention
In view of the problems mentioned in the background, it is an object of the present invention to provide a novel sealing material for threaded pipe connections, which solves the problems mentioned in the background.
The technical purpose of the invention is realized by the following technical scheme:
a novel threaded pipe connection sealing material comprises a coating material and a coated material which are compounded with each other;
the coating material comprises the following components in parts by weight: 10-50 parts of clay, 1-10 parts of cellulose, 10-50 parts of humectant, 10-40 parts of non-woven fabric, 5-30 parts of natural rubber, 0.1-1 part of bactericide and 0.1-1 part of performance regulator.
Preferably, the clay includes one or more of montmorillonite, illite, kaolin, and water-aluminum-quartz-earth.
Preferably, the cellulose includes one or more of hydroxypropyl methylcellulose, hydroxyethyl cellulose, carboxymethyl cellulose, hydroxymethyl cellulose, and the like.
Preferably, the humectant comprises one or more of ethanol, ethylene glycol, propylene glycol, isopropanol, glycerol, butanediol and sorbitol.
Preferably, the natural gum includes one or more of acacia, guar gum, xanthan gum, gelatin and carrageenan.
Preferably, the non-woven fabric type comprises one or more of spunlace non-woven fabric, heat seal non-woven fabric, melt blown non-woven fabric and wet non-woven fabric.
Preferably, the bactericide comprises one or more of lime, copper sulfate, lime bordeaux mixture and copper hydroxide.
Preferably, the performance regulator comprises one or more of tea polyphenol, vitamin E and butyl hydroxy anisole.
The invention also provides a preparation method of the novel threaded pipe connection sealing material, which comprises the following steps:
step 1: taking the components of the coating material according to the formula, mixing and heating the clay, the cellulose, the humectant, the bactericide, the natural gum and the performance regulator to the normal temperature of 80 ℃, and then uniformly stirring to obtain the coating material;
step 2: uniformly coating the coating material on two sides of the coated material by using a coating machine, and then placing and airing or drying to obtain a composite material;
and step 3: and cutting the obtained composite material to a proper size, and then winding and bagging to obtain the novel threaded pipe connection sealing material.
Preferably, the temperature for natural airing or drying in the step 2 is 10 to 40 ℃.
In summary, the invention mainly has the following beneficial effects:
according to the novel threaded pipe connection sealing material, the coating layer material has the characteristic of swelling in water by setting the natural gum and the clay as the coating layer material of the main ingredients, so that secondary sealing can be performed, the sealing effect is better, the coating layer material is better in elasticity and stronger in viscosity by adding the cellulose and the humectant as the ingredients into the coating layer material, and the product is stronger in tearing corrosion resistance due to the use of the bactericide and the performance regulator. Still set up the material of being coated that is used for supplying coating material coating, and the material of being coated adopts the non-woven fabrics to make the holistic structural strength of sealing material more stable, the ability is stronger in the resistance to tearing, and life is longer.
Drawings
FIG. 1 is a block flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, a novel sealing material for threaded pipe connection comprises a coating material and a coated material which are compounded with each other.
The coating material comprises the following components in parts by weight: 25 parts of montmorillonite, 10 parts of hydroxyethyl cellulose, 25 parts of ethylene glycol, 30 parts of spunlace nonwoven fabric, 9 parts of Arabic gum, 0.5 part of copper sulfate and 0.5 part of tea polyphenol. The coated material is spunlace nonwoven fabric, and the coating material is uniformly coated on the surface of the coated material and forms a double-layer composite structure with the coated material.
The non-woven fabric is formed by oriented or random fibers, has the characteristics of light weight, softness, water repellency and air permeability, and also has the characteristics of porosity, good air permeability, high temperature resistance and strong tensile resistance, and the coating layer material can be tightly bonded with the non-woven fabric and is firmly connected.
Then preparing the novel threaded pipe connecting sealing material according to the following steps:
step 1: according to the formula, 25 parts of montmorillonite, 10 parts of hydroxyethyl cellulose, 25 parts of ethylene glycol, 30 parts of spunlace non-woven fabric, 9 parts of Arabic gum, 0.5 part of copper sulfate and 0.5 part of tea polyphenol are added into a container, heated to 80 ℃, and stirred uniformly to obtain the coating material.
Step 2: and uniformly coating the coating layer material on the coated material by adopting a coating machine, and then heating and baking at the temperature of 40-80 ℃ to obtain the composite material.
And step 3: cutting the obtained composite material into required size, and then winding to obtain the novel threaded pipe connection sealing material.
The novel threaded pipe connecting sealing material can achieve an all-dimensional sealing effect, the coating layer has the characteristic of water swelling, the effect of sealing twice can be achieved, the product using method is simple, the national standard 4-6 tapping needs 2-3 circles to bear the pressure of more than 20KG, the novel threaded pipe connecting sealing material can be applied to fire fighting, acid-base solution, oil ways, compressed air and natural gas pipeline transmission, and the material is non-toxic, environment-friendly, degradable and edible. The sealing tape made of the novel threaded pipe connecting sealing material is 8-12 times as efficient as a common raw material tape in the market, solves the problem that the anaerobic adhesive does not react with an oil medium, is suitable for the wire connection of various materials, can be immediately pressed and delivered after being used, and solves the problem that the anaerobic adhesive can be pressed after 24-48 hours. Solves the problems of difficult use, unattractive appearance, difficult use technique and the like of the hemp thread.
Example 2
The embodiment provides a technical scheme: a novel sealing material for threaded pipe connection comprises a coating layer material and a coating material which are compounded with each other.
The coating material comprises the following components in parts by weight: 25 parts of illite, 10 parts of hydroxypropyl methyl cellulose, 15 parts of ethanol, 10 parts of propylene glycol, 30 parts of hydrothermal non-woven fabric, 9 parts of guar gum, 0.5 part of calbodol solution and 0.5 part of butyl hydroxy anisol. The coated material is a hydrothermal non-woven fabric, and the coating material is uniformly coated on the surface of the coated material and forms a double-layer composite structure with the coated material.
The non-woven fabric is formed by oriented or random fibers, has the characteristics of light weight, softness, water repellency and air permeability, and also has the characteristics of porosity, good air permeability, high temperature resistance and strong tensile resistance, and the coating layer material can be tightly bonded with the non-woven fabric and is firmly connected.
Then preparing the novel threaded pipe connecting sealing material according to the following steps:
step 1: according to the formula, 25 parts of illite, 10 parts of hydroxypropyl methyl cellulose, 15 parts of ethanol, 10 parts of propylene glycol, 30 parts of hydrothermal bonded nonwoven fabric, 9 parts of guar gum, 0.5 part of calbodol liquid and 0.5 part of butyl hydroxy anisol are measured. Then adding the mixture into a container, heating to 50 ℃, and uniformly stirring to obtain the coating material.
Step 2: and uniformly coating the coating layer material on the coated material by using a coating machine, and then placing the coated material at room temperature for 2-3 days to obtain the composite material.
And step 3: cutting the obtained composite material into required size, and then winding to obtain the novel threaded pipe connection sealing material.
Example 3
The embodiment provides a technical scheme: a novel sealing material for threaded pipe connection comprises a coating layer material and a coating material which are compounded with each other.
The coating material comprises the following components in parts by weight: 25 parts of kaolin, 10 parts of carboxymethyl cellulose, 25 parts of isopropanol, 30 parts of hydrothermal bonded nonwoven fabric, 9 parts of xanthan gum, 0.5 part of lime boldo liquid and 0.5 part of butyl hydroxy anisol.
The non-woven fabric is formed by oriented or random fibers, has the characteristics of light weight, softness, water repellency and air permeability, and also has the characteristics of porosity, good air permeability, high temperature resistance and strong tensile resistance, and the coating layer material can be tightly bonded with the non-woven fabric and is firmly connected.
Then preparing the novel threaded pipe connecting sealing material according to the following steps:
step 1: weighing 25 parts of kaolin, 10 parts of carboxymethyl cellulose, 25 parts of isopropanol, 9 parts of xanthan gum, 0.5 part of lime boldo liquid and 0.5 part of butyl hydroxy anisol according to a formula, adding into a container, heating to 80 ℃, and uniformly stirring to obtain the coating material.
Step 2: and uniformly coating the coating layer material on the coated material by adopting a coating machine, and then heating and baking at the temperature of 40-80 ℃ to obtain the composite material.
And step 3: cutting the obtained composite material into required size, and then winding to obtain the novel threaded pipe connection sealing material.
Example 4
The embodiment provides a technical scheme: a novel sealing material for threaded pipe connection comprises a coating layer material and a coating material which are compounded with each other.
The coating material comprises the following components in parts by weight: 25 parts of water-alumina-kaolin, 10 parts of hydroxymethyl cellulose, 15 parts of isopropanol, 10 parts of propylene glycol, 30 parts of melt-blown non-woven fabric, 9 parts of gelatin, 0.5 part of lime bordeaux liquid and 0.5 part of butyl hydroxy anisol.
The melt-blown non-woven fabric is formed by oriented or random fibers, has the characteristics of light weight, softness, water repellency and air permeability, and also has the characteristics of porosity, good air permeability, high temperature resistance and strong tensile resistance, and the coating layer material can be tightly bonded with the non-woven fabric and is firmly connected.
Then preparing the novel threaded pipe connecting sealing material according to the following steps:
step 1: according to the formula, 25 parts of water-alumina-bentonite, 10 parts of hydroxymethyl cellulose, 15 parts of isopropanol, 10 parts of propylene glycol, 9 parts of gelatin, 0.5 part of lime bordeaux liquid and 0.5 part of butyl hydroxy anisol are added into a container, heated to 55 ℃, and stirred uniformly to obtain the coating material.
Step 2: and uniformly coating the coating layer material on the coated material by adopting a coating machine, and then heating and baking at the temperature of between normal temperature and 80 ℃ to obtain the composite material.
And step 3: cutting the obtained composite material into required size, and then winding to obtain the novel threaded pipe connection sealing material.
Example 5
The embodiment provides a technical scheme: a novel sealing material for threaded pipe connection comprises a coating layer material and a coating material which are compounded with each other.
The coating material comprises the following components in parts by weight: 10 parts of montmorillonite, 15 parts of water-alumina-bentonite, 10 parts of hydroxymethyl cellulose, 15 parts of isopropanol, 10 parts of ethanol, 30 parts of melt-blown non-woven fabric, 9 parts of carrageenan, 0.5 part of lime polo liquid and 0.5 part of butyl hydroxy anisole.
The melt-blown non-woven fabric is formed by oriented or random fibers, has the characteristics of light weight, softness, water repellency and air permeability, and also has the characteristics of porosity, good air permeability, high temperature resistance and strong tensile resistance, and the coating layer material can be tightly bonded with the non-woven fabric and is firmly connected.
Then preparing the novel threaded pipe connecting sealing material according to the following steps:
step 1: according to the formula, 10 parts of montmorillonite, 15 parts of water-aluminum-kaolin, 10 parts of hydroxymethyl cellulose, 15 parts of isopropanol, 10 parts of ethanol, 9 parts of carrageenan, 0.5 part of lime Bordeaux mixture and 0.5 part of butyl hydroxy anisole are measured, then the mixture is added into a container, heated to 55 ℃, and stirred uniformly to obtain the coating material.
Step 2: and uniformly coating the coating layer material on the coated material by adopting a coating machine, and then heating and baking at the temperature of between normal temperature and 80 ℃ to obtain the composite material.
And step 3: cutting the obtained composite material into required size, and then winding to obtain the novel threaded pipe connection sealing material.
In order to perform performance tests on the novel threaded pipe connection sealing material, the following experiments are performed, and the experiment contents are as follows:
selecting a novel threaded pipe connecting sealing material generated in the market as a comparison group, and selecting the novel threaded pipe connecting sealing materials in the embodiments 1, 2, 3, 4 and 4 as an experimental group for experiment;
experiment 1:
testing the water-swelling degree, namely placing a comparison group, example 1, example 2, example 3, example 4 and example 5 in water for 10min to test the water-swelling degree, wherein the ratio of the water-swelling degrees of the comparison group, example 1, example 2, example 3, example 4 and example 5 is 1: 1.3: 1.4: 1.6: 1.1: 1.2.
experiment 2:
elasticity test, the elasticity of the control group, example 1, example 2, example 3, example 4, example 5 was tested using an elasticity tester, wherein the elasticity ratio of the control group, example 1, example 2, example 3, example 4, example 5 was 1: 1.6: 1.7: 1.9: 1.3: 1.2.
experiment 3:
tear resistance test a control, example 1, example 2, example 3, example 4, example 5 was tested with a tear tester, wherein the ratio of the breaking strength of the control, example 1, example 2, example 3, example 4, example 5 was 1: 2: 2.1: 2.3: 1.9: 1.7.
experiment 4:
and (3) testing the corrosion resistance by putting a control group, an example 1, an example 2, an example 3, an example 4 and an example 5 into a 5% sulfuric acid solution, wherein the ratio of the corrosion resistance of the control group, the example 1, the example 2, the example 3, the example 4 and the example 5 is 1: 2: 2.3: 2.5: 1.8: 1.7, wherein the corrosion resistance is measured predominantly as volume after corrosion consumption.
In conclusion, the novel threaded pipe connection sealing material provided by the invention has the advantages that the natural rubber and the clay are used as coating layer materials of main ingredients, so that the coating layer materials have the characteristic of swelling in water, secondary sealing can be realized, the sealing effect is better, the cellulose and the humectant are added into the coating layer materials as ingredients, so that the coating layer materials are better in elasticity and stronger in viscosity, and the tearing and corrosion resistance of products is stronger due to the use of the bactericide and the performance regulator. Still set up the material of being coated that is used for supplying coating material coating, and the material of being coated adopts the non-woven fabrics to make the holistic structural strength of sealing material more stable, the ability is stronger in the resistance to tearing, and life is longer.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a novel screwed pipe connects sealing material which characterized in that: comprises a coating material and a coated material which are mutually compounded;
the coating material comprises the following components in parts by weight: 10-50 parts of clay, 1-10 parts of cellulose, 10-50 parts of humectant, 10-40 parts of non-woven fabric, 5-30 parts of natural rubber, 0.1-1 part of bactericide and 0.1-1 part of performance regulator.
2. The novel threaded pipe connection sealing material of claim 1, wherein: the clay comprises one or more of montmorillonite, illite, kaolin and water-aluminum-quartz soil.
3. The novel threaded pipe connection sealing material of claim 1, wherein: the cellulose comprises one or more of hydroxypropyl methyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, hydroxymethyl cellulose and the like.
4. The novel threaded pipe connection sealing material of claim 1, wherein: the humectant comprises one or more of ethanol, ethylene glycol, propylene glycol, isopropanol, glycerol, butanediol and sorbitol.
5. The novel threaded pipe connection sealing material of claim 1, wherein: the natural gum comprises one or more of acacia, guar gum, xanthan gum, gelatin and carrageenan.
6. The novel threaded pipe connection sealing material of claim 1, wherein: the non-woven fabric types comprise one or more of spunlace non-woven fabrics, heat seal non-woven fabrics, melt-blown non-woven fabrics and wet non-woven fabrics.
7. The novel threaded pipe connection sealing material of claim 1, wherein: the bactericide comprises one or more of lime bordeaux mixture, copper sulfate, lime bordeaux mixture and copper hydroxide.
8. The novel threaded pipe connection sealing material of claim 1, wherein: the performance regulator comprises one or more of tea polyphenol, vitamin E and butyl hydroxy anisole.
9. A preparation method of a novel threaded pipe connection sealing material is characterized by comprising the following steps: the method specifically comprises the following steps:
step 1: taking the components of the coating material according to the formula, mixing and heating the clay, the cellulose, the humectant, the bactericide, the natural gum and the performance regulator to the normal temperature of 80 ℃, and then uniformly stirring to obtain the coating material;
step 2: uniformly coating the coating material on two sides of the coated material by using a coating machine, and then placing and airing or drying to obtain a composite material;
and step 3: and cutting the obtained composite material to a proper size, and then winding and bagging to obtain the novel threaded pipe connection sealing material.
10. The method for preparing the novel threaded pipe connection sealing material as claimed in claim 9, wherein: and (3) naturally airing or drying at the temperature of 10-40 ℃ in the step (2).
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| CN202110600648.2A CN113214789A (en) | 2021-05-31 | 2021-05-31 | Novel sealing material for threaded pipe connection |
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Application publication date: 20210806 |